Company Overview
Cal.com was founded in 2021 by Peer R., Bailey P., and Omar L. Headquartered in San Francisco, USA, the company operates with a remote-first work model. Cal.com is an open-source scheduling and meeting booking platform that has gained significant attention as a Calendly alternative. It offers complete scheduling management solutions for individuals, teams, and enterprises. Its open-source nature enables self-hosted deployment, deep customization, and comprehensive API integration.
Products & Services
Cal.com provides scheduling solutions ranging from individual to enterprise use:
| Product | Description |
|---|---|
| Cal.com (Scheduling) | Core meeting booking tool with multi-timezone support, custom availability, and automated reminders |
| Cal.com API | Developer API for deep scheduling integration and automated workflows |
| Cal.com Embed | Embeddable scheduling component that seamlessly integrates into websites, apps, or email signatures |
| Cal.com Teams | Team scheduling with multi-person calendar management, round-robin, and team links |
| Cal.com Enterprise | Enterprise-grade solution with SSO, advanced permissions, audit logs, and self-hosting options |
Core Strengths
| Strength | Details |
|---|---|
| Open Source | Fully open-source (AGPLv3) with self-hosting for complete data control and transparency |
| Flexible Customization | Deep customization including scheduling rules, branding, and workflows |
| Multi-Platform Integration | Seamless sync with Google Calendar, Outlook, Zoom, Google Meet, and more |
| Team Collaboration | Supports team scheduling, round-robin rotation, and collective availability management |
| API-Driven | Rich API enables enterprise-level customization and automation integration |
| Privacy & Security | Self-hosting option ensures data privacy and regulatory compliance |
Market Position
Cal.com competes in the online scheduling and meeting booking space with the following platforms:
| Competitor | Description |
|---|---|
| Calendly | Market-leading scheduling platform with mature individual and enterprise plans |
| Acuity Scheduling | Squarespace-owned online appointment booking and scheduling tool |
| YouCanBook.me | Simple and user-friendly online booking and scheduling platform |
| Doodle | Classic meeting time coordination and polling tool |
| SavvyCal | Advanced scheduling tool designed for freelancers and teams |
| ScheduleOnce | Enterprise-focused all-in-one scheduling management platform |
Key Milestones
- 2021 — Peer R., Bailey P., and Omar L. co-found Cal.com as an open-source Calendly alternative
- Late 2021 — Completes seed funding round with rapid user growth
- 2022 — Launches Cal.com Teams for collaborative team scheduling
- 2023 — Releases Cal.com Embed and Enterprise plans, expanding into the corporate market
- 2024 — Surpasses 100,000 users, becoming the most influential open-source Calendly alternative
- 2025 — Continues to enhance API ecosystem and platform capabilities